Finding the Fourth Proportional to 163,939.17, 226,231.62 and 92,317.65
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Solution
The fourth proportional to 163,939.17, 226,231.62 and 92,317.65 is: 127,395.86
Step by Step Solution
- Step 1: Write the proportion equation
163,939.17 : 226,231.62 = 92,317.65 : x - Step 2: Convert to fraction form
163,939.17/226,231.62 = 92,317.65/x - Step 3: Cross multiply
163,939.17x = 226,231.62 × 92,317.65 - Step 4: Simplify right side
163,939.17x = 20,885,171,514.09 - Step 5: Solve for x
x = 20,885,171,514.09/163,939.17 - Step 6: Final answer
x = 127,395.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.